5 ms·

Twitter thread here is the person explaining their method: https://twitter.com/ai6yrham/status/1382375691233103874 https://twitter.com/ai6yrham/status/13823756

Twitter thread here is the person explaining their method: https://twitter.com/ai6yrham/status/1382375691233103874 https://twitter.com/ai6yrham/status/1382375691233103874

est31 5y ago
https://threadreaderapp.com/thread/1382375691233103874.html https://threadreaderapp.com/thread/1382375691233103874.html
- alisonkisk 5y ago
  > If someone is lost along the Angeles Crest, ... > they are either NORTH of the Angeles Crest Highway > or SOUTH of the Angeles Crest Freeway. I understand why people get lost.
markdown 5y ago
Apparently he used Sentinel-Hub, which is a service I'd never heard of. I just signed up to try their service but apparently the free plan advertised on their pricing page is a scam. There's no such thing. It seems you can't use the service without paying.
- adamjb 5y ago
  While you might need an account to access the underlying data, you don't need an account to view the imagery https://apps.sentinel-hub.com/sentinel-playground/ https://apps.sentinel-hub.com/sentinel-playground/ https://www.sentinel-hub.com/explore/eobrowser/ https://www.sentinel-hub.com/explore/eobrowser/
  - Balgair 5y ago
    Holy shit, it gives you near-IR and visual spectra every ~60 hours. This is amazing. I feel like a spy in a late cold-war novel.
    - boulos 5y ago
      I raise you GOES-17 aka GOES-West currently: https://www.star.nesdis.noaa.gov/GOES/sector.php?sat=G17&sector=wus https://www.star.nesdis.noaa.gov/GOES/sector.php?sat=G17&sec... Though it’s a trade off! GOES has a really fast return (10-15 minutes, IIRC) but doesn’t do global and has comparatively poor spatial resolution (red at 500m per pixel, many near IR at 1km, LWIR at 2km). So you can get some data every 15 minutes, but for the city of San Francisco it’s only 10x10 pixels. This is part of why folks like to join high-resolution data with high-temporal frequency data like GOES. Including me! (Well, I hope to get back to my side project using the Descartes Labs API to “learn” high-spatial GOES from the combo of sentinel2 and GOES).
      - omgwtfbyobbq 5y ago
        NOAA satellites are great. I used something a while back to check to see if a relative's house was OK after some wildfires.
- deleted 5y ago
  [deleted]
- detaro 5y ago
  The page clearly says what feature you get with a free account, how is that a scam?
  - markdown 5y ago
    When you sign up and find that you don't actually get that feature.
    - mendigou 5y ago
      But you do? Not sure what feature you are talking about. Access to data on the EO browser is free. That's the only thing advertised. If you do R&D you can also get API access for free or heavily discounted. This a project backed by the EU and the European Space Agency; no scams there!
curiousllama 5y ago
You’re the hero we need
deleted 5y ago
[deleted]

Twitter thread here is the person explaining their method: https://twitter.com/ai6yrham/status/1382375691233103874 https://twitter.com/ai6yrham/status/1382375691233103874

est31 5y ago

https://threadreaderapp.com/thread/1382375691233103874.html https://threadreaderapp.com/thread/1382375691233103874.html

alisonkisk 5y ago
> If someone is lost along the Angeles Crest, ... > they are either NORTH of the Angeles Crest Highway > or SOUTH of the Angeles Crest Freeway. I understand why people get lost.

markdown 5y ago

Apparently he used Sentinel-Hub, which is a service I'd never heard of. I just signed up to try their service but apparently the free plan advertised on their pricing page is a scam. There's no such thing. It seems you can't use the service without paying.

adamjb 5y ago
While you might need an account to access the underlying data, you don't need an account to view the imagery https://apps.sentinel-hub.com/sentinel-playground/ https://apps.sentinel-hub.com/sentinel-playground/ https://www.sentinel-hub.com/explore/eobrowser/ https://www.sentinel-hub.com/explore/eobrowser/
- Balgair 5y ago
  Holy shit, it gives you near-IR and visual spectra every ~60 hours. This is amazing. I feel like a spy in a late cold-war novel.
  - boulos 5y ago
    I raise you GOES-17 aka GOES-West currently: https://www.star.nesdis.noaa.gov/GOES/sector.php?sat=G17&sector=wus https://www.star.nesdis.noaa.gov/GOES/sector.php?sat=G17&sec... Though it’s a trade off! GOES has a really fast return (10-15 minutes, IIRC) but doesn’t do global and has comparatively poor spatial resolution (red at 500m per pixel, many near IR at 1km, LWIR at 2km). So you can get some data every 15 minutes, but for the city of San Francisco it’s only 10x10 pixels. This is part of why folks like to join high-resolution data with high-temporal frequency data like GOES. Including me! (Well, I hope to get back to my side project using the Descartes Labs API to “learn” high-spatial GOES from the combo of sentinel2 and GOES).
    - omgwtfbyobbq 5y ago
      NOAA satellites are great. I used something a while back to check to see if a relative's house was OK after some wildfires.
deleted 5y ago
[deleted]
detaro 5y ago
The page clearly says what feature you get with a free account, how is that a scam?
- markdown 5y ago
  When you sign up and find that you don't actually get that feature.
  - mendigou 5y ago
    But you do? Not sure what feature you are talking about. Access to data on the EO browser is free. That's the only thing advertised. If you do R&D you can also get API access for free or heavily discounted. This a project backed by the EU and the European Space Agency; no scams there!

curiousllama 5y ago

You’re the hero we need

deleted 5y ago

[deleted]